unerringly

from WordNet (r) 3.0 (2006)
unerringly
    adv 1: without making errors; "he unerringly fixed things for
           us"
    
from The Collaborative International Dictionary of English v.0.48
Unerringly \Un*err"ing*ly\, adv.
   In an unerring manner.
   [1913 Webster]
    

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